baber/WOPTO huggingface dataset:
Patent GB-124257-A (GB)
Title: An Appliance to take the place of a Lost Hand.
Inventor: BLUMBERG GUSTAV HENRY D ARNIM
IPC: A47G21/08
Filed: 1918-03-18
Abstract: 124,257. Blumberg, G. H. d'A. March 18, 1918. Limbs, artificial.- A plate, fitted with a stem by which it may be secured to the wrist-plate of an arm, has pivoted to it an assortment of tools, table cutlery, or other implements, each of which may be swung forward into operative position or backward into inoperative position. The plate B is provided with radial slots 131 - - BI from the edges of which project lugs L between which are pivoted a knife, fork, spoon, &c. A spring ring formed from a wire D has its ends bent at right-angles and engaging a notch in the plate while the ring lies under projections on the lugs L. Each implement is notched in two places N, so that the spring ring retains the implement in the open or closed position. Alternatively, the implements may be removably secured to pivoted sockets, or the axes of the pivots may be arranged radially with respect to the plate. The plate B carries a forearm casing E provided with slots E<1> for the reception of the instruments, between which are left divisional tongues E<2> to afford a bearing-surface for a coat sleeve. Specification 116,919 is referred to.
Patent GB-1509518-A (GB)
Title: Photosensitive polymers
IPC: C08F299/00
Filed: 1977-02-04
Abstract: 1509518 Photosensitive polymers NATIONAL STARCH & CHEMICAL CORP 4 Feb 1977 [6 Feb 1976] 4718/77 Heading C3R A photosensitive polymer (P) is made by reacting: (Q) a polymer material, e.g. a polyester, polyether, or addition polymer, having terminal group(s) containing a reactive H atom; (D) a C5-15 halogen-containing aromatic dicarboxylic acid anhydride or a C5-15 alicyclic dicarboxylic acid anhydride containing dihalogenated C atom(s) or allylic halogen atom(s); and (G) a glycidal ester of an alpha,#-unsaturated carboxylic acid. (Q) may be a polyester or polyether having terminal OH or COOH groups. (P) may have formula where A is a residue of (Q), X is Cl, Br, or I, and R and R<1> are H or CH3.
Patent GB-910343-A (GB)
Title: A mandrel for a continuous tube-rolling mill and method and apparatus for cooling such mandrel
IPC: B21B25/04
Filed: 1961-02-08
Abstract: 910,343. Rolling-mandrels. INNOCENTI SOC. GENERALE PER L'INDUSTRIA METALLURGICA E MECCANICA. Feb. 8, 1961 [April 21, 1960], No. 4724/61. Class 83 (4). Cooling of a hollow mandrel for use with a continuous hot-rolling mill for weldless tubes is effected by injecting water into a passage 4 in a nose-section 2 of the mandrel after a working cycle, the water evaporating and escaping through passages 7 and 8 in a tail section 3, a non-return valve 5 preventing escape of steam through the passage 4. A series of mandrels 1 are mounted on a roller table during cooling and are steadily rotated and also moved in steps down the table by rotating cranks 12 so that by the time a given mandrel has moved from A to B it is ready for re-use.
Patent GB-937761-A (GB)
Title: Classifying pulverous or granular material
IPC: G01N15/04
Filed: 1960-02-10
Abstract: 937,761. Centrifugal separators. CEMENTFABRIK HOLDERBANK-WILDEGG A.G. Feb. 10, 1960 [March 9, 1959], No. 4734/60. Class 23. Apparatus for classifying solids comprises guide vanes 14 at the entrance to a convergent inlet passage 10, and a classifying chamber 1 having a rotary wall 2. In the apparatus shown air passes between the vanes which are adjustable and the solids are fed into the chamber by a spreader wheel 28. The classified particles are collected in pockets formed by ribs 41 on the wall 2. The flow of air through the classifier is caused by a fan 22, the flow being controlled by an axially adjustable plate 24. In a modification (Fig. 5, not shown) the ribs are dispensed with, the coarser solids are removed from the wall by a scraper whilst the finer solids are collected with the discharging air, and the degree of classification is controlled by blanking of part of the axially length of the wall.
Patent GB-670271-A (GB)
Title: Improvements in or relating to moorings for marine markers and the like
Inventor: HURREN BERNARD JOHN
IPC: B63B45/00
Filed: 1949-02-22
Abstract: 670,271. Mooring buoys; alighting channel for aircraft. FAIREY AVIATION CO., Ltd. Feb. 17, 1950 [Feb. 22, 1949], No. 4821/49. Classes 4 and 113 (i). A mooring for a marine marker or the like comprises two rigid arms 12 (Fig. 1) such as rods, arranged in inverted V formation, the free ends of the V being hingedly mounted on foundations 10 and the apex of the V being provided with a universal or like joint 13, 14 for the attachment thereto of a marker 15. The foundations may be constituted by a. strip (or strips) 18 (Fig. 4) of rigid mesh material secured on the sea bottom or secured by cables 21, 22, to anchorage points 20 for maintaining it submerged in a substantially fixed position irrespective of changes in water level. The strip 18 ma.y have a series of pairs of rigid arms 16 arranged in inverted V formation, each pair locating a flare float 15, which floats are arranged in two parallel lines to define a flare path.
Patent GB-1013553-A (GB)
Title: Improvements in or relating to sealed magnetic switching devices
IPC: H01H36/00
Filed: 1964-02-05
Abstract: 1,013,553. Magnetic switches. BROOKHIRST IGRANIC Ltd. Feb. 5, 1964 [Feb. 13, 1963], No. 4854/64. Heading H2B. A sealed magnetic contact device 2 which is enclosed in a moulded insulating case 14 has a tubular slug 4 of magnetic material secured to one of the terminals of the device. The slug 4 is flush with one end of the casing and concentrates the flux of an operating permanent magnet 16 placed adjacent thereto. A conductor 6a fastened to the slug extends along the envelope 2c of the contact device and emerges radially from the moulded casing 14 at the other end. A conductor 8a secured directly to the other terminal also extends radially from the casing. A plurality of contact devices may be mounted in holes 22a in a block 22 which is laterally adjustable on vertical rods. The contact devices are retained in position by a terminal block 24 mounted on brackets 26 extending from the block 22. A strip of rubber 24b cemented to the terminal block 24 bears against the ends of the contact devices. The conductors of the terminal device have connectors 6b, 8b which clip on to the terminals 28 of the terminal block. The devices are selectively closed by a row of selectively magnetizable elements 16 mounted in a movable base 18.
Patent GB-1478985-A (GB)
Title: Nuclear reactor fuel element sub-assemblies
IPC: G21C3/33
Filed: 1975-03-24
Abstract: 1478985 Fuel elements UNITED KING- DOM ATOMIC ENERGY AUTHORITY 24 March 1975 [1 Feb 1974] 04869/74 Heading G6C A nuclear reactor fuel element sub-assembly comprises a bundle of spaced parallel fuel pins within a tubular wrapper, the pins having peripherally enlarged heads at one end and the heads being captive between a fixed end abutment grid and a fixed cellular grid, the one end of each pin being formed with coolant flow passages. An embodiment of such a sub-assembly, for use in a fast reactor, is shown in Fig. 2 and comprises upper and lower grids 5, (6) secured to the wrapper, one at each end of the bundle of fuel pins, and each comprising a series of parallel spaced bars 7, the fuel pins 1 being spaced apart by a series of spaced cellular grids 8. Coolant flow is upwardly along the bundle of fuel pins. The fuel pins have peripherally enlarged heads 9 at their upper ends and the heads are captive between the upper grid 5, which forms an end abutment grid, and a cellular support grid 10 secured in fixed relationship to the wrapper and the uppermost pin spacing grid 8. The end portions of the fuel pins 1 are necked to form shanks 11 intermediate the heads 9 and the necking 12. As seen in Fig. 3, the cell-defining elements 13 of the grid 10 each have six concyclic promontories 14 for radial abutment with the shanks 11. A circumferential series of grooves 15 extends along the shanks 11 and the heads 9 to provide coolant flow passages for reducing the pressure drop and consequent cavitation caused by the restriction to coolant flow of the cellular support grid 10.  In a second embodiment (Figs. 4 and 5, not shown), the upper end portion of each fuel pin has a counterbore extending from the enlarged head and coolant flow passages are formed by a circumferential series of closed end slits, the slits extending longitudinally along the end portion of each pin to the head and through the wall of the counterbore. In a third embodiment (not shown), the upstanding fuel pins have lower ends formed in a manner identical to the upper ends of the fuel pins of the first embodiment and the pins are supported by a lower support grid. A cellular grid identical to the cellular support grid of the first embodiment is provided to hold captive the enlarged heads of the fuel pins and prevent substantial levitation of the fuel pins.
Patent GB-1179151-A (GB)
Title: Improvements in or relating to Apparatus for Injecting Paste-Like Substances.
IPC: B05C21/00
Filed: 1967-02-01
Abstract: 1,179,151. Syringes. SIKKENS GROEP N.V. Feb.1 1967 [Feb. 1, 1966], No.4870/67. Heading F1R . A compressed air-actuated syringe for pastes, e.g. for injecting synthetic resin-hardener mixture into decayed wood, comprises a chamber 5 receiving a disposable cartridge 11, which is connected to an injecting nozzle 3 by a disposable flexible tube 2, and has a loose-fitting piston 14 acted upon by compressed air supplied through connection 4 to discharge the cartridge contents. An air gap is left all round the cartridge so that it may be made of relatively weak material, e.g. paper board. A connector 13 in cartridge end cap 12 connects the cartridge to tube 2. A pinch valve 15 operated by lever 17 acts to pinch tube 2 closed to terminate delivery. In the Fig. 2 embodiment, (not shown), valve 15 is actuated by a trigger on a hand grip, to permit one handed use. Chamber end cap 6 is unscrewed, or has bayonet release means, for replacing cartridge 11. A spike 16 is used for making holes in the wood to be treated. Fittings, Figs. 3 to 6 (not shown), may be clipped on to nozzle 3 to prevent leakage around the nozzle in use. The cartridge may have a compartment behind piston 14 for receiving a package of hardener and a replacement tube 2.
Patent GB-122325-A (GB)
Title: An Improved Turn-buckle or Wire Straining Device for Aeroplane Wires and the like.
Inventor: FRANCE ARTHUR GRAHAM
IPC: B64C3/00
Filed: 1918-03-20
Abstract: 122,325. France, A. G. March 20, 1918. Wire and rod strainers.-Relates to screw turn-buckles, applicable for straining aircraft stay-wires, and consists in effecting the locking of the screw by means of cooperating conical surfaces. In the form shown in Fig. 1, the attachment stirrup a is formed with a hollow conical sleeve b, and the nut c, situated within it, also is made taper and has radial slits e, Fig. 4, enabling it to be sprung slightly. The nut has a square aperture for the insertion of a rotating-tool, and tommy-holes f for like purpose. Alternatively, the nut may have a squared &c. part projecting beyond the conical portion of the stirrup, whereby it may be rotated. Fig. 7 illustrates a double-ended form wherein the nuts h are provided with receses j with which punched-down portions of the conical-ended straining-tube l engage to permit relative axial, but prevent rotary, movement of the tube and the nut. The ends of the screw-bolts k are preferably riveted over to prevent complete disengagement, the nuts being inserted in the tube before the ends of the latter are swaged or rolled to the conical shape.
Patent GB-575403-A (GB)
Title: Improvements in and relating to over-load release devices
IPC: F16H35/10
Filed: 1944-03-16
Abstract: 575,403. Tractor draw-gear. BLACKBURN AIRCRAFT, Ltd., and THIRSK, W. H. March 16, 1944, No. 4906. [Class 103 (v)] An overload release device intended to be mounted in a tube 1 comprises a chassis member 2 which at one end forms journals for a shaft 6 on which is pivoted a pair of jaws 7, 8 connected by links 11, 12 to an intermediate link 13, which in turn is connected to one limb of a bell-crank lever 16 journalled on a shaft 15 at the other end of the chassis and about which is disposed a torsion spring 18 serving to urge the bell crank lever into normal position where it is retained by a stop comprising a rod 19 also journalled on the chassis, the whole mechanism being adapted to be inserted bodily into the tube and to be retained therein by the bolt 6 or similar shaft-like member which when introduced through the wall of the tube ejects a temporary jaw shaft and then serves as the jaw shaft. A cable 22 attached to the bellcrank lever 16 is connected in known manner to a spring assembly such that after predetermined tensioning of the spring a pull is exerted on the cable 22 to rock the bell-crank and thereby operate the links 13, 11 and 12 to open the jaws, 7, 8 to release the ring or equivalent part of the towing bar.
Patent GB-347355-A (GB)
Title: Improvements in and relating to sand blasting machines
IPC: B24C9/00
Filed: 1930-02-14
Abstract: 347,355. Sand-blast. WILSON, F. W. and TILGHMAN'S PATENT SAND BLAST CO., Ltd., Atlantic Works, Broadheath, near Manchester. Feb. 14, 1930, No. 4987. [Class 60.] In order to separate abrasive dust and middlings from the abrasive material after a sand-blasting operation, the air, carrying the dust &c. from the sandblasting apparatus, passes up a pipe a to a cyclone type separator b, from which the dust passes, through a sleeve c, to an exhauster. The abrasive and middlings accumulate at the bottom of the separator and are released by a valve d to fall into the path of an air current between a nozzle e, open to the atmosphere at its outer end, and an outlet f passing to the exhauster. The material carried by the air falls in a settling chamber g, and the abrasive collects in a hopper h for re-use. In a modification, the material falls through several air jets in succession into hoppers between the jets.
Patent GB-756434-A (GB)
Title: Steroids
IPC: C12P33/00
Filed: 1953-02-23
Abstract: Steroids (including D-homosteroids) having an 11-methylene group are oxygenated by subjecting them to treatment with oxygenating substances produced by growing a fungus of the genus Neurospora, e.g. N. sitophila, N. crassa, N. tetrasperma and their mutants, under aerobic conditions in the presence of a fermentation medium containing assimilable non-steroidal carbon, e.g. carbohydrates. Additionally the fermentation medium requires assimilable nitrogen and phosphate.  Suitable starting materials are progesterone, 17-hydroxy-progesterone, 17a -progesterone, testosterone, pregnenolones, 3b -hydroxy-5,16-pregnadien-20-one, pregnenolone acetate, 3-hydroxy-5,6-oxidopregnan-20-one, 3-hydroxy-5-chloro-pregnan-20 - one, 5,6 - oxidopregnane - 3,20 - dione, 4 - bromo- and 4-chloro-pregnane-3,20-dione, 5-chloro - pregnane - 3,20 - dione, 3 - ketopregnan-20 - ol, 3 - keto - allopregnan - 20 - ol, 3b  - hydroxy - 16,17 - oxido - 21 - acetoxy - 5 - pregnen - 20 - one, 3b  - hydroxy - 16,17 - oxido - 5 - pregnen - 20 - one, 3b  - hydroxy - 5,6,21 - tribromo - 16,17 - oxidopregnan - 20 - one, 3b  - hydroxy - 16 - bromo - 17 - hydroxy - 5 - pregnen - 20 - one, 3b  - hydroxy - 16 - chloro - 17 - hydroxy - 5 - pregnen - 20 - one, 3b  - hydroxy - 5(6),16(17) - dioxidopregnan - 20 - one and the 21-bromo-, 21-acetoxy- and 21-hydroxy derivatives thereof, 11 - desoxycorticosterone, 11 - desoxycorticosterone - 17 - ol and acyloxy derivatives, 21-hydroxypregnenolone and acyloxy derivatives, 17,21-dihydroxypregnenolone and 17,21-acyloxy derivatives thereof, 4- or 5-androsten - 3 - ol - 17 - one and 3 - esters thereof, ergosterol, stigmasterol, stigmastanol and 3-esters thereof, stigmastenone, stigmastanone, cholestenone, cholic acid, desoxycholic acid, lithocholic acid, cholanic acid, norcholanic acid, bisnorcholanic acid, cholenic acid, norcholenic acid, bisnorcholenic acid and esters thereof, 10-normethyl, 13-normethyl and 10,13-bisnormethyl steroids, D-homo-4-androstene-3,17a - dione, D - homotestosterone, D - homo - 17a,a  - methyltestosterone, D - homo - 17a,b  - methyltestosterone, 17a-methyl-17a-hydroxy-D - homo - 4 - androstene - 3,17 - dione, and their 4,5-dihydro, ring A saturated analogues, D - homo - androstenones, and D - homo - epidehydroandrosterone.  As nutritional essentials for the media, there may be used p-amino-benzoic acid, choline, inosital, niacin, pantothenic acid, pyridoxine, riboflavin, thiamin, arginine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, threonine, tryptophane and valine.  Examples disclose the oxygenation of progesterone, 17a  - hydroxyprogesterone, 17a ,21 - dihydroxyprogesterone, pregnane - 3,20 - dione, 21 - hydroxy - 4 - pregnene - 3,20 - dione, and 16-dehydroprogesterone.
Patent GB-1473870-A (GB)
Title: Electrothermal printing unit
IPC: B41M5/26
Filed: 1975-02-06
Abstract: 1473870 Selective printing ING C OLIVETTI & C SpA 6 Feb 1975 [18 Feb 1974 20 Jan 1975] 5137/75 Heading B6F  A thermal printer comprises a thermal matrix head 10 continuously movable along a print line on a print medium 60, and a ribbon 83 between the head 10 and the medium 60 and comprising a plastics backing layer carrying a material transferable under the combined action of heat and pressure. The head 10 is urged against the medium 60 and a platen 80 by a spring 99 acting on a guide rod 40 during printing, and is drawn back during carriage return. The ribbon may comprise polyethyleneglycol terephthalate or polyethylene coated with a composition consisting of a thermoplastic resin such as a styrene, terpene or epoxy resin, a plasticizer, and a pigment or dye such as carbon black. The platen 80 may comprise a layer of polyvinyl chloride over a layer of hard rubber.
Patent GB-618494-A (GB)
Title: Improvements in bombs
IPC: F42C15/20
Filed: 1942-04-21
Abstract: 618,494. Practice and indicator bombs fuzes. LINDMAN, E. I. April 21, 1942, No. 5347. Convention date, Oct. 7, 1940. [Class 9 (i)] [Also in Group V] A practice or indicator bomb is made of concrete in which the aggregate is a granular mass which has a specific gravity greater than 3 and the grains of which pass through a 7 mm. screen. The aggregate may be granulated iron or lead or metallifereous ore. Granite, gneiss, sand, concrete clinker, or pumice may be added. The bomb may be made in two parts 1, 3, Fig. 1, and may be cast in a vertical mould, the part 1 being allowed to solidify before the part 3 is poured in. Alternatively, the part 3 may be made separately and secured to the part 1 by mortar. The part 3 may be of lighter concrete than the part 1. The last part of the bomb to be cast may pass to or near the centre of gravity of the bomb through a channel made around a central tube 2 which is to contain a smoke-forming charge or a light-emitting charge or both. The charge may be ignited by direct shock action, a primer or fuze, or an expelling charge, an impact firing pin secured to a plate 11 being used for this purpose ; a cap 12 protects the plate during transport. Iron members 4, 5, having threaded holes 6, are laid in the concrete during casting ; the holes 6 are to receive eyes or hooks by which the bomb is hung. A metal cone 9 encloses the part 3. Tail vanes 7 may be secured to the tube 2 or cast into the concrete. An iron ring 8 stays the vanes. The bomb may be coated with paraffin wax in solution in benzene. In a modification the tube 2 contains another tube filled with. a smoke-forming &c. charge, and the nose of the bomb has an eye for hanging the bomb vertically in the aeroplane. Specifications 618,495 and 618,496 are referred to. The Specification as open to inspection under Sect. 91 contains also the subject-matter of Specifications 618,495 and 618,496, and includes Figs. 4 and 4a (Cancelled), which show a percussion fuze comprising a firing pin 10 secured to a plate 11, a safety pin having an ejector spring 30 and a hole 24 for a safety wire to be secured to the aeroplane, and a safety cap 12 for use during transport. This subject-matter does not appear in the Specification as accepted.
Patent GB-1172592-A (GB)
Title: Improvements in or relating to Parachute Harnesses
Inventor: FITZGERALD JAMES GERARD
IPC: B64D17/30
Filed: 1967-02-03
Abstract: 1,172,592. Parachute harness. MINISTER OF TECHNOLOGY. 2 Feb., 1968, No. 5353/67. Heading A3V. A parachute harness comprises body enveloping straps 13, 14 which are attached at each end to attach/release mechanisms 16, a third strap 15 which passes from a buckle 29 on strap 13 through one mechanism 16 around the back of the wearer through the other mechanism 16 to a buckle 29 on strap 14, and lift webs 11 attached by buckles 12 to straps 13, 14 so that during a descent tension is applied to reduce the effective length of the straps around the body. The limit of reduction of length is achieved by buckles 29 abutting buckles 30. Each attach/release member 16 has a notched cylinder 22, around which an end of a strap 13 or 14 passes, which is held by a spring 24 in contact with an abutment 23. Handles 25 provided with straps 28 enable quick release of the straps 13 and 14.
Patent GB-1174382-A (GB)
Title: A Method for Purifying Hydrofluoric Acid.
Inventor: KAFYROV MAXIM IVANOVICH
IPC: C01B7/19
Filed: 1968-02-02
Abstract: 1,174,382. Distillation apparatus; acid resistant. M. D. KAFVROV, V. I. NIZOV, N. M. PRONOHUK, L. F. SHMELVA and I. G. SHAFRAN. 2 Feb., 1968, No. 5379/68. Heading BIB. [Also in Division C1] A non-metallic distillation apparatus for purifying hydrofluoric acid, made preferably of polytetrafluoroethylene, comprises a still 3 connected to a rectification column 4. Impure acid with KMnO 4  is charged from mixer 1 via meter 2 to the still, where it is distilled at 112-115‹C, the plates of column 4 being maintained at 110-112‹C. Further KMnO 4  is supplied to the bottom of the column from 5 and Mannitol is supplied from 7 (both in HF- solution). The purified HF passes through filter 9 to condenser 10 and thus to receiver 11.
Patent GB-230093-A (GB)
Title: Improvements in or relating to electric welding machines
IPC: B23K11/31
Filed: 1925-02-27
Abstract: 230,093. Mack, R. Feb. 28, 1924, [Convention date]. Welding.-In an electric spot welding machine of the type in which a fixed and a movable electrode are mounted on the terminals of the secondary of a transformer, the movable electrode arm is pivoted in a central member of the transformer on which the core is mounted, so as to render the machine more compact. The transformer secondary consists of a divided casing comprising two caps a, b, which respectively carry the fixed electrode arm f<1> and the movable electrode arm f carrying spot welding electrodes. The cup a which is supported by a pedestal is provided with a central sleeve c' to receive a pivot pin c on the cup b. The sleeve is surrounded by the core d and primary. The other side of the cup b has an arm g which is connected to a link and lever so that by operating- the lever the cup b moves on its pivot in a vertical plane and pressure is applied to the work by the electrode on the arm f. In a modification, Fig. 3, two stationary cups k form the secondaries of two transformers and are connected to the stationary electrode arm f<1>. Each is formed with a hollow central stud c<1> surrounded by the respective cores d and primaries e, and forming bearings for the pivot pins c of the movable electrode arm f which is operated as in the previous form. The pivot pin c, sleeve c<1> and also the operating arm g, and electrode arms f<1> and f, Fig. 2, may be cast integral with the cups a, b. The Specification as open to inspection under Sect. 91 (3) (a) shows in Fig. 5 (Cancelled) an edge or end welding machine in which a transformer of the kind shown in Fig. 2 is arranged so that the electrode arm f moves in a horizontal plane, the arms having clamps for securing parts n, n<1> tc be butt welded. The arm f is operated by a hand lever p pivoted to a bracket q thereon and connected to the fixed arm f<1> by a link r passing freely through and out of contact with the arm f. The studs c<1>, Fig. 3, are also stated to be cast integral with the cups a, b. This subject-matter does not appear in the Specification as accepted.